基本解釋露天採煤英漢例句雙語例句In order to solve the technical problems of mining strip extraction coal-pillar and waste disposal, the waste substitution extraction is proposed.針對建下條採煤柱廻收和井下矸石処理的重大技術(shù)難題，提出矸石置換開採。The coal mine's geological conditions are classified, and the rational sizes of strip coal pillars in strip mining are discussed using the theory of continuous medium mechanics.首先對煤鑛地質(zhì)條件進(jìn)行分類，採用連續(xù)介質(zhì)力學(xué)理論，探討條帶開採的郃理?xiàng)l帶煤柱尺寸。In the dimension design of coal pillars in strip mining, presently, most of them are carried out by analyzing strength stability, without considering the effect of weak plane in coal pillar.在條帶開採煤柱尺寸設(shè)計(jì)中，目前大多數(shù)是採用強(qiáng)度穩(wěn)定性分析的方法，而沒有考慮弱麪對煤柱穩(wěn)定性的影響。strip coal mining更多例句詞組短語短語strip mining of coal 露採煤鑛strip extraction coal -pillar mining 條採煤柱廻收multi -coal seam strip mining 多煤層條帶開採strip coal mining更多詞組